OpenTechnical

OT-2026-000102953

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, pulsed blow-off after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000102953) never changes.

Identity and time

Publication numberOT-2026-000102953 · never reused
Internal UUID01a0aea4-be3c-757d-b3c0-a9d636ab94b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102953
StatusPUBLIC

Content hashes

Canonical textd1c50ed327564c10a457963bac8b11263605cbb673ad510305a3005607353c09
Markdown78affe42a6dcf7a52d277c07157e8c5e53f87db64c5da9a7bec9d0bfa35eb0b4
PDF
Publication page7f71d574b3e2a0a314dad91e933f43f38a6feb49afca5f1d10697bd316e4a056
Manifestf7ad81473ce6ebb174f29938db4f341adffc92df122d0494ae5e42e5cf18e9b6

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature2ZHjjQFgJuGr7ll+SQ7gbfqj6UKTJ9msF5sr/5tkrl5IktWlqksApydZykXgGVMQQVrVy6+DqSVG5EJn60VKDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:03.607366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102953
observed 7f71d574b3e2a0a314dad91e933f43f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:03.588824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102953/manifest.json
observed f7ad81473ce6ebb174f29938db4f341a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:03.570973ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102953/publication.md
observed 78affe42a6dcf7a52d277c07157e8c5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:03.551890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102953/publication.txt
observed d1c50ed327564c10a457963bac8b1126...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.